lkml.org 
[lkml]   [2013]   [Sep]   [18]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 23/41] clk: ux500: Provide u8500_clk with skeleton Device Tree support
Date
The functional components will be added on a per-clock basis.

Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
---
drivers/clk/ux500/u8500_of_clk.c | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)

diff --git a/drivers/clk/ux500/u8500_of_clk.c b/drivers/clk/ux500/u8500_of_clk.c
index ceebce6..bfbe3ca 100644
--- a/drivers/clk/ux500/u8500_of_clk.c
+++ b/drivers/clk/ux500/u8500_of_clk.c
@@ -7,6 +7,7 @@
* License terms: GNU General Public License (GPL) version 2
*/

+#include <linux/of.h>
#include <linux/clk.h>
#include <linux/clkdev.h>
#include <linux/clk-provider.h>
@@ -14,13 +15,27 @@
#include <linux/platform_data/clk-ux500.h>
#include "clk.h"

+static const struct of_device_id u8500_clk_of_match[] = {
+ { .compatible = "stericsson,u8500-clks", },
+ { },
+};
+
void u8500_of_clk_init(u32 clkrst1_base, u32 clkrst2_base, u32 clkrst3_base,
u32 clkrst5_base, u32 clkrst6_base)
{
struct prcmu_fw_version *fw_version;
+ struct device_node *np = NULL;
+ struct device_node *child = NULL;
const char *sgaclk_parent = NULL;
struct clk *clk;

+ if (of_have_populated_dt())
+ np = of_find_matching_node(NULL, u8500_clk_of_match);
+ if (!np) {
+ pr_err("Either DT or U8500 Clock node not found\n");
+ return;
+ }
+
/* Clock sources */
clk = clk_reg_prcmu_gate("soc0_pll", NULL, PRCMU_PLLSOC0,
CLK_IS_ROOT|CLK_IGNORE_UNUSED);
@@ -378,4 +393,8 @@ void u8500_of_clk_init(u32 clkrst1_base, u32 clkrst2_base, u32 clkrst3_base,
/* Periph6 */
clk = clk_reg_prcc_kclk("p3_rng_kclk", "rngclk",
clkrst6_base, BIT(0), CLK_SET_RATE_GATE);
+
+ for_each_child_of_node(np, child) {
+ /* Place holder for supported nodes. */
+ }
}
--
1.8.1.2


\
 
 \ /
  Last update: 2013-09-18 15:21    [W:0.215 / U:0.108 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site